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Predict whether the reaction below is product-favored or reactant-favored by calculating delta Gdegree from the entropy and enthalpy changes for the reaction at 25 degrees C, H2(g) + CO2(g) yeilds H2O(g) + CO(g), delta H rxn = 41.17kJ S = 42.08J/K
calculate the final volume. A volume of 3.55 L of oxygen at 25 °C and 95 kPa is brought back to normal conditions (STP).
A giant sequoia tree cut down in 1891, in what is now Kings Canyon National Park northeast of Los Angeles, contained 1342 annual growth rings. If a sample of the tree was removed for radiocarbon dating
A 0.150 M NaCl solution is referred to as a physiological saline solution because it has the same concentration of salts as normal human blood. Calculate the mass of NaCl needed to prepare 275.0 mL of a physiological saline solution.
when mercury ii oxide is heated it decomposes into mercury and oxygen gas according to the following balanced equation.
Calculate the concentration of iron (II) chloride contaminant in the original groundwater sample. Round your answer to significant digits.
How many g of NaCl are required to prepare 250.0 mL of a 0.3440 M solution of NaCl in water?
Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
Calculate standard Delta G for the following reaction at 25 C. You will have to look up the thermodynamic
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
Vanadium has two naturally occurring isotopes,V with an atomic mass of 49.9472 amu andV with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415.
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